#define  _CRT_SECURE_NO_WARNINGS 
#define T(x, y, r) x* r * y / 4
#include<stdio.h>
int main()
{
	int a = 3, b = 3, c = 5;
	int ret = c* a* ++b / 4;
	int ret2 = a++ * a;
	printf("%d", ret2);
	return 0;
}